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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) PROSIDING SEMINAR KIMIA Jurnal Kimia Mulawarman Science and Technology Indonesia JURNAL ATOMIK Jurnal Abdimas Mahakam Jurnal Riset Kefarmasian Indonesia Narra J Jurnal Ilmiah Sains Jurnal Bahan Alam Terbarukan
Eva Marliana, Eva
Jurusan Kimia Fakultas Matematika Dan Ilmu Pengetahuan Alam Universitas Mulawarman
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Acute toxicity, secondary metabolites, and antioxidant activity of Macaranga tanarius from post-coal mining and non-mining areas in East Kalimantan, Indonesia Fikriah, Ika; Masruhin, Muhammad A.; Paramita, Swandari; Marliana, Eva; Panggabean, Aman S.; Ismail, Sjarif; Kusuma, Irawan W.; Kim, Yong-ung; Kim, Soo-Ya
Narra J Vol. 4 No. 2 (2024): August 2024
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v4i2.791

Abstract

Coal plays a crucial role in Indonesia’s foreign exchange and East Kalimantan’s revenue sharing, yet its environmental impacts, including soil acidification, raises concerns. Reclamation measures involve revegetation with pioneer plants such as Macaranga sp., known for their medicinal properties. However, the pharmacological properties of these plants are influenced by secondary metabolites, which depend on soil parameters such as pH and nutrient levels. The aim of this study was to evaluate the acute toxicity, secondary metabolites, and antioxidant activities of Macaranga tanarius leaf extracts from post-coal mining area (MTPCMA) and non-mining area (MTNMA) alongside soil parameters. Acute toxicity of M. tanarius leaf extracts and soils were assessed using the brine shrimp lethality test (BSLT). Phytochemical screening was done using thin-layer chromatography (TLC), determining total phenolic (TPC) and flavonoid content (TFC). The DPPH radical scavenging assay was used to assess the antioxidant activity. A comparative analysis between MTPCMA and MTNMA was conducted using Student t-test. The data showed no significant difference in toxicity between MTPCMA and MTNMA leaf extracts (LC50 of 100–1000 µg/mL) (p=0.062), and soils from both areas were non-toxic (LC50 of >1000 µg/mL). Although heavy metal concentrations were higher in PCMA than in NMA soil (p<0.001), secondary metabolite compounds and TFC in both extracts were not significantly different (p=0.076). Both extracts contained flavonoids and polyphenols with antioxidant activity and terpenoids without antioxidant activities. The DPPH radical scavenging test suggested insignificant antioxidant activity between MTPCMA and MTNMA extracts (p=0.237). In conclusion, non-toxic soils in post-mining land and insignificant differences between MTPCMA and MTNMA extracts suggest good soil nutrient availability, highlighting the success of land recovery after 10 years of revegetation with M. tanarius.
Co-Authors -, Nurfadzillah Afandi, Irvan Agustina R. M. Alma Yulvita Pebriana Amalia, Elfiza Aman S. Panggabean Amantha, Dhita Novalia Anggriani, Yusnia Wati Aryoga Oktabriangga Saputra Audia, Nuraini Meti Ayu Mellyanti Az-zahra, Deannisa Khoiru Chairul salaeh Chairul Saleh Daniel Daniel -, Daniel Daniel Daniel Daniel Daniel Daniel Daniel Daniel Daniel Dewi, Dynda Rosiana Djihan Ryn Pratiwi Djihan Ryn Pratiwi, Djihan Ryn Doni Prio Atmoko Dwi Lestari Ersa Marina Rahmawati Erwin Erwin Erwin Erwin Erwin Erwin Erwin Erwin Fikriah, Ika Firmansyah, Muchammad Ravi Hairani, Rita Husnul Chatimah Ika Yekti Liana Sari Indra Masmur irfa Ashari Hyahara Isyahro, Novia Rahmawati Jumaidil Awal K Y Margiati, K Y Kim, Soo-Ya Kim, Yong-ung Kusuma, Irawan W. Madaniah Fathirah Magdaleni, Agustina Rahayu Masmur, Hestina Masruhin, Muhammad A. Medi Hendra Medi Hendra, Medi Mikdariawan, Adha Muh. Naufal Hisyam Muhammad Marion Akbar Mulyadi Tanjung Mulyana Mulyana Mulyana Mulyana Nabila, Sahira Fara Nanang Tri Widodo Nanang Tri Widodo Nanang Tri Widodo Nisa, Nahdia Khairun Noor Hindryawati Noor Hindryawati, Noor Novia Rahmawati Isyahro Novia Rahmawati Isyahro Nur Aina Nur Hidayah Nur Khasanah Nur Khsanah Nurul Jannah Pramana, Aditiya Hadi Ryan Purnamasari, Ade Rezki Rachman, Ferry Aditya Rahimah, Priliza Rahmat Gunawan Rakasiwi, Dea Ramadhani, Riski Vebryanti Ratna Kusuma Rismawati Rismawati Rita Hairani Ritbey Ruga Ritson Purba, Ritson Rudi Kartika, Rudi Ruga, Ritbey Saibun Sitorus Siti Halidjah Siti Nurjanah Soerja Koesnarpadi Subur P Pasaribu Swandari Paramita Syamsul Arifin T, Nurnaningsi Teguh Wirawan, Teguh Tjitjik Sri Tjahjandarie Tjitjik Srie Tjahjandarie Tullah, Mirna Hidaya Winni Astuti Winni Astuti, Winni